Merge pull request #1800 from SummerGGift/add_silent_mode

[tools]: add menconfig silent mode

1 files changed, 734 insertions, 711 deletions

diff --git a/tools/kconfig-frontends/frontends/mconf/mconf.c b/tools/kconfig-frontends/frontends/mconf/mconf.c
index 315ce2c7cb..f037e967de 100644
--- a/tools/kconfig-frontends/frontends/mconf/mconf.c
+++ b/tools/kconfig-frontends/frontends/mconf/mconf.c
@@ -173,105 +173,105 @@ static const char mconf_readme[] = N_(
 " bluetitle  => an LCD friendly version of classic. (default)\n"
 "\n"),
 menu_instructions[] = N_(
-	"Arrow keys navigate the menu.  "
-	"<Enter> selects submenus ---> (or empty submenus ----).  "
-	"Highlighted letters are hotkeys.  "
-	"Pressing <Y> includes, <N> excludes, <M> modularizes features.  "
-	"Press <Esc><Esc> to exit, <?> for Help, </> for Search.  "
-	"Legend: [*] built-in  [ ] excluded  <M> module  < > module capable"),
+    "Arrow keys navigate the menu.  "
+    "<Enter> selects submenus ---> (or empty submenus ----).  "
+    "Highlighted letters are hotkeys.  "
+    "Pressing <Y> includes, <N> excludes, <M> modularizes features.  "
+    "Press <Esc><Esc> to exit, <?> for Help, </> for Search.  "
+    "Legend: [*] built-in  [ ] excluded  <M> module  < > module capable"),
 radiolist_instructions[] = N_(
-	"Use the arrow keys to navigate this window or "
-	"press the hotkey of the item you wish to select "
-	"followed by the <SPACE BAR>. "
-	"Press <?> for additional information about this option."),
+    "Use the arrow keys to navigate this window or "
+    "press the hotkey of the item you wish to select "
+    "followed by the <SPACE BAR>. "
+    "Press <?> for additional information about this option."),
 inputbox_instructions_int[] = N_(
-	"Please enter a decimal value. "
-	"Fractions will not be accepted.  "
-	"Use the <TAB> key to move from the input field to the buttons below it."),
+    "Please enter a decimal value. "
+    "Fractions will not be accepted.  "
+    "Use the <TAB> key to move from the input field to the buttons below it."),
 inputbox_instructions_hex[] = N_(
-	"Please enter a hexadecimal value. "
-	"Use the <TAB> key to move from the input field to the buttons below it."),
+    "Please enter a hexadecimal value. "
+    "Use the <TAB> key to move from the input field to the buttons below it."),
 inputbox_instructions_string[] = N_(
-	"Please enter a string value. "
-	"Use the <TAB> key to move from the input field to the buttons below it."),
+    "Please enter a string value. "
+    "Use the <TAB> key to move from the input field to the buttons below it."),
 setmod_text[] = N_(
-	"This feature depends on another which has been configured as a module.\n"
-	"As a result, this feature will be built as a module."),
+    "This feature depends on another which has been configured as a module.\n"
+    "As a result, this feature will be built as a module."),
 load_config_text[] = N_(
-	"Enter the name of the configuration file you wish to load.  "
-	"Accept the name shown to restore the configuration you "
-	"last retrieved.  Leave blank to abort."),
+    "Enter the name of the configuration file you wish to load.  "
+    "Accept the name shown to restore the configuration you "
+    "last retrieved.  Leave blank to abort."),
 load_config_help[] = N_(
-	"\n"
-	"For various reasons, one may wish to keep several different\n"
-	"configurations available on a single machine.\n"
-	"\n"
-	"If you have saved a previous configuration in a file other than the\n"
-	"default one, entering its name here will allow you to modify that\n"
-	"configuration.\n"
-	"\n"
-	"If you are uncertain, then you have probably never used alternate\n"
-	"configuration files. You should therefore leave this blank to abort.\n"),
+    "\n"
+    "For various reasons, one may wish to keep several different\n"
+    "configurations available on a single machine.\n"
+    "\n"
+    "If you have saved a previous configuration in a file other than the\n"
+    "default one, entering its name here will allow you to modify that\n"
+    "configuration.\n"
+    "\n"
+    "If you are uncertain, then you have probably never used alternate\n"
+    "configuration files. You should therefore leave this blank to abort.\n"),
 save_config_text[] = N_(
-	"Enter a filename to which this configuration should be saved "
-	"as an alternate.  Leave blank to abort."),
+    "Enter a filename to which this configuration should be saved "
+    "as an alternate.  Leave blank to abort."),
 save_config_help[] = N_(
-	"\n"
-	"For various reasons, one may wish to keep different configurations\n"
-	"available on a single machine.\n"
-	"\n"
-	"Entering a file name here will allow you to later retrieve, modify\n"
-	"and use the current configuration as an alternate to whatever\n"
-	"configuration options you have selected at that time.\n"
-	"\n"
-	"If you are uncertain what all this means then you should probably\n"
-	"leave this blank.\n"),
+    "\n"
+    "For various reasons, one may wish to keep different configurations\n"
+    "available on a single machine.\n"
+    "\n"
+    "Entering a file name here will allow you to later retrieve, modify\n"
+    "and use the current configuration as an alternate to whatever\n"
+    "configuration options you have selected at that time.\n"
+    "\n"
+    "If you are uncertain what all this means then you should probably\n"
+    "leave this blank.\n"),
 search_help[] = N_(
-	"\n"
-	"Search for symbols and display their relations.\n"
-	"Regular expressions are allowed.\n"
-	"Example: search for \"^FOO\"\n"
-	"Result:\n"
-	"-----------------------------------------------------------------\n"
-	"Symbol: FOO [=m]\n"
-	"Type  : tristate\n"
-	"Prompt: Foo bus is used to drive the bar HW\n"
-	"  Location:\n"
-	"    -> Bus options (PCI, PCMCIA, EISA, ISA)\n"
-	"      -> PCI support (PCI [=y])\n"
-	"(1)     -> PCI access mode (<choice> [=y])\n"
-	"  Defined at drivers/pci/Kconfig:47\n"
-	"  Depends on: X86_LOCAL_APIC && X86_IO_APIC || IA64\n"
-	"  Selects: LIBCRC32\n"
-	"  Selected by: BAR [=n]\n"
-	"-----------------------------------------------------------------\n"
-	"o The line 'Type:' shows the type of the configuration option for\n"
-	"  this symbol (boolean, tristate, string, ...)\n"
-	"o The line 'Prompt:' shows the text used in the menu structure for\n"
-	"  this symbol\n"
-	"o The 'Defined at' line tells at what file / line number the symbol\n"
-	"  is defined\n"
-	"o The 'Depends on:' line tells what symbols need to be defined for\n"
-	"  this symbol to be visible in the menu (selectable)\n"
-	"o The 'Location:' lines tells where in the menu structure this symbol\n"
-	"  is located\n"
-	"    A location followed by a [=y] indicates that this is a\n"
-	"    selectable menu item - and the current value is displayed inside\n"
-	"    brackets.\n"
-	"    Press the key in the (#) prefix to jump directly to that\n"
-	"    location. You will be returned to the current search results\n"
-	"    after exiting this new menu.\n"
-	"o The 'Selects:' line tells what symbols will be automatically\n"
-	"  selected if this symbol is selected (y or m)\n"
-	"o The 'Selected by' line tells what symbol has selected this symbol\n"
-	"\n"
-	"Only relevant lines are shown.\n"
-	"\n\n"
-	"Search examples:\n"
-	"Examples: USB	=> find all symbols containing USB\n"
-	"          ^USB => find all symbols starting with USB\n"
-	"          USB$ => find all symbols ending with USB\n"
-	"\n");
+    "\n"
+    "Search for symbols and display their relations.\n"
+    "Regular expressions are allowed.\n"
+    "Example: search for \"^FOO\"\n"
+    "Result:\n"
+    "-----------------------------------------------------------------\n"
+    "Symbol: FOO [=m]\n"
+    "Type  : tristate\n"
+    "Prompt: Foo bus is used to drive the bar HW\n"
+    "  Location:\n"
+    "    -> Bus options (PCI, PCMCIA, EISA, ISA)\n"
+    "      -> PCI support (PCI [=y])\n"
+    "(1)     -> PCI access mode (<choice> [=y])\n"
+    "  Defined at drivers/pci/Kconfig:47\n"
+    "  Depends on: X86_LOCAL_APIC && X86_IO_APIC || IA64\n"
+    "  Selects: LIBCRC32\n"
+    "  Selected by: BAR [=n]\n"
+    "-----------------------------------------------------------------\n"
+    "o The line 'Type:' shows the type of the configuration option for\n"
+    "  this symbol (boolean, tristate, string, ...)\n"
+    "o The line 'Prompt:' shows the text used in the menu structure for\n"
+    "  this symbol\n"
+    "o The 'Defined at' line tells at what file / line number the symbol\n"
+    "  is defined\n"
+    "o The 'Depends on:' line tells what symbols need to be defined for\n"
+    "  this symbol to be visible in the menu (selectable)\n"
+    "o The 'Location:' lines tells where in the menu structure this symbol\n"
+    "  is located\n"
+    "    A location followed by a [=y] indicates that this is a\n"
+    "    selectable menu item - and the current value is displayed inside\n"
+    "    brackets.\n"
+    "    Press the key in the (#) prefix to jump directly to that\n"
+    "    location. You will be returned to the current search results\n"
+    "    after exiting this new menu.\n"
+    "o The 'Selects:' line tells what symbols will be automatically\n"
+    "  selected if this symbol is selected (y or m)\n"
+    "o The 'Selected by' line tells what symbol has selected this symbol\n"
+    "\n"
+    "Only relevant lines are shown.\n"
+    "\n\n"
+    "Search examples:\n"
+    "Examples: USB  => find all symbols containing USB\n"
+    "          ^USB => find all symbols starting with USB\n"
+    "          USB$ => find all symbols ending with USB\n"
+    "\n");
 
 static int indent;
 static struct menu *current_menu;
@@ -287,8 +287,8 @@ static void conf_string(struct menu *menu);
 static void conf_load(void);
 static void conf_save(void);
 static int show_textbox_ext(const char *title, char *text, int r, int c,
-			    int *keys, int *vscroll, int *hscroll,
-			    update_text_fn update_text, void *data);
+                int *keys, int *vscroll, int *hscroll,
+                update_text_fn update_text, void *data);
 static void show_textbox(const char *title, const char *text, int r, int c);
 static void show_helptext(const char *title, const char *text);
 static void show_help(struct menu *menu);
@@ -296,752 +296,775 @@ static void show_help(struct menu *menu);
 static char filename[PATH_MAX+1];
 static void set_config_filename(const char *config_filename)
 {
-	static char menu_backtitle[PATH_MAX+128];
-	int size;
+    static char menu_backtitle[PATH_MAX+128];
+    int size;
 
-	size = snprintf(menu_backtitle, sizeof(menu_backtitle),
-			"%s - %s", config_filename, rootmenu.prompt->text);
-	if (size >= sizeof(menu_backtitle))
-		menu_backtitle[sizeof(menu_backtitle)-1] = '\0';
-	set_dialog_backtitle(menu_backtitle);
+    size = snprintf(menu_backtitle, sizeof(menu_backtitle),
+            "%s - %s", config_filename, rootmenu.prompt->text);
+    if (size >= sizeof(menu_backtitle))
+        menu_backtitle[sizeof(menu_backtitle)-1] = '\0';
+    set_dialog_backtitle(menu_backtitle);
 
-	size = snprintf(filename, sizeof(filename), "%s", config_filename);
-	if (size >= sizeof(filename))
-		filename[sizeof(filename)-1] = '\0';
+    size = snprintf(filename, sizeof(filename), "%s", config_filename);
+    if (size >= sizeof(filename))
+        filename[sizeof(filename)-1] = '\0';
 }
 
 struct subtitle_part {
-	struct list_head entries;
-	const char *text;
+    struct list_head entries;
+    const char *text;
 };
 static LIST_HEAD(trail);
 
 static struct subtitle_list *subtitles;
 static void set_subtitle(void)
 {
-	struct subtitle_part *sp;
-	struct subtitle_list *pos, *tmp;
+    struct subtitle_part *sp;
+    struct subtitle_list *pos, *tmp;
 
-	for (pos = subtitles; pos != NULL; pos = tmp) {
-		tmp = pos->next;
-		free(pos);
-	}
+    for (pos = subtitles; pos != NULL; pos = tmp) {
+        tmp = pos->next;
+        free(pos);
+    }
 
-	subtitles = NULL;
-	list_for_each_entry(sp, &trail, entries) {
-		if (sp->text) {
-			if (pos) {
-				pos->next = xcalloc(1, sizeof(*pos));
-				pos = pos->next;
-			} else {
-				subtitles = pos = xcalloc(1, sizeof(*pos));
-			}
-			pos->text = sp->text;
-		}
-	}
+    subtitles = NULL;
+    list_for_each_entry(sp, &trail, entries) {
+        if (sp->text) {
+            if (pos) {
+                pos->next = xcalloc(1, sizeof(*pos));
+                pos = pos->next;
+            } else {
+                subtitles = pos = xcalloc(1, sizeof(*pos));
+            }
+            pos->text = sp->text;
+        }
+    }
 
-	set_dialog_subtitles(subtitles);
+    set_dialog_subtitles(subtitles);
 }
 
 static void reset_subtitle(void)
 {
-	struct subtitle_list *pos, *tmp;
+    struct subtitle_list *pos, *tmp;
 
-	for (pos = subtitles; pos != NULL; pos = tmp) {
-		tmp = pos->next;
-		free(pos);
-	}
-	subtitles = NULL;
-	set_dialog_subtitles(subtitles);
+    for (pos = subtitles; pos != NULL; pos = tmp) {
+        tmp = pos->next;
+        free(pos);
+    }
+    subtitles = NULL;
+    set_dialog_subtitles(subtitles);
 }
 
 struct search_data {
-	struct list_head *head;
-	struct menu **targets;
-	int *keys;
+    struct list_head *head;
+    struct menu **targets;
+    int *keys;
 };
 
 static void update_text(char *buf, size_t start, size_t end, void *_data)
 {
-	struct search_data *data = _data;
-	struct jump_key *pos;
-	int k = 0;
+    struct search_data *data = _data;
+    struct jump_key *pos;
+    int k = 0;
 
-	list_for_each_entry(pos, data->head, entries) {
-		if (pos->offset >= start && pos->offset < end) {
-			char header[4];
+    list_for_each_entry(pos, data->head, entries) {
+        if (pos->offset >= start && pos->offset < end) {
+            char header[4];
 
-			if (k < JUMP_NB) {
-				int key = '0' + (pos->index % JUMP_NB) + 1;
+            if (k < JUMP_NB) {
+                int key = '0' + (pos->index % JUMP_NB) + 1;
 
-				sprintf(header, "(%c)", key);
-				data->keys[k] = key;
-				data->targets[k] = pos->target;
-				k++;
-			} else {
-				sprintf(header, "   ");
-			}
+                sprintf(header, "(%c)", key);
+                data->keys[k] = key;
+                data->targets[k] = pos->target;
+                k++;
+            } else {
+                sprintf(header, "   ");
+            }
 
-			memcpy(buf + pos->offset, header, sizeof(header) - 1);
-		}
-	}
-	data->keys[k] = 0;
+            memcpy(buf + pos->offset, header, sizeof(header) - 1);
+        }
+    }
+    data->keys[k] = 0;
 }
 
 static void search_conf(void)
 {
-	struct symbol **sym_arr;
-	struct gstr res;
-	struct gstr title;
-	char *dialog_input;
-	int dres, vscroll = 0, hscroll = 0;
-	bool again;
-	struct gstr sttext;
-	struct subtitle_part stpart;
+    struct symbol **sym_arr;
+    struct gstr res;
+    struct gstr title;
+    char *dialog_input;
+    int dres, vscroll = 0, hscroll = 0;
+    bool again;
+    struct gstr sttext;
+    struct subtitle_part stpart;
 
-	title = str_new();
-	str_printf( &title, _("Enter (sub)string or regexp to search for "
-			      "(with or without \"%s\")"), CONFIG_);
+    title = str_new();
+    str_printf( &title, _("Enter (sub)string or regexp to search for "
+                  "(with or without \"%s\")"), CONFIG_);
 
 again:
-	dialog_clear();
-	dres = dialog_inputbox(_("Search Configuration Parameter"),
-			      str_get(&title),
-			      10, 75, "");
-	switch (dres) {
-	case 0:
-		break;
-	case 1:
-		show_helptext(_("Search Configuration"), search_help);
-		goto again;
-	default:
-		str_free(&title);
-		return;
-	}
+    dialog_clear();
+    dres = dialog_inputbox(_("Search Configuration Parameter"),
+                  str_get(&title),
+                  10, 75, "");
+    switch (dres) {
+    case 0:
+        break;
+    case 1:
+        show_helptext(_("Search Configuration"), search_help);
+        goto again;
+    default:
+        str_free(&title);
+        return;
+    }
 
-	/* strip the prefix if necessary */
-	dialog_input = dialog_input_result;
-	if (strncasecmp(dialog_input_result, CONFIG_, strlen(CONFIG_)) == 0)
-		dialog_input += strlen(CONFIG_);
+    /* strip the prefix if necessary */
+    dialog_input = dialog_input_result;
+    if (strncasecmp(dialog_input_result, CONFIG_, strlen(CONFIG_)) == 0)
+        dialog_input += strlen(CONFIG_);
 
-	sttext = str_new();
-	str_printf(&sttext, "Search (%s)", dialog_input_result);
-	stpart.text = str_get(&sttext);
-	list_add_tail(&stpart.entries, &trail);
+    sttext = str_new();
+    str_printf(&sttext, "Search (%s)", dialog_input_result);
+    stpart.text = str_get(&sttext);
+    list_add_tail(&stpart.entries, &trail);
 
-	sym_arr = sym_re_search(dialog_input);
-	do {
-		LIST_HEAD(head);
-		struct menu *targets[JUMP_NB];
-		int keys[JUMP_NB + 1], i;
-		struct search_data data = {
-			.head = &head,
-			.targets = targets,
-			.keys = keys,
-		};
-		struct jump_key *pos, *tmp;
+    sym_arr = sym_re_search(dialog_input);
+    do {
+        LIST_HEAD(head);
+        struct menu *targets[JUMP_NB];
+        int keys[JUMP_NB + 1], i;
+        struct search_data data = {
+            .head = &head,
+            .targets = targets,
+            .keys = keys,
+        };
+        struct jump_key *pos, *tmp;
 
-		res = get_relations_str(sym_arr, &head);
-		set_subtitle();
-		dres = show_textbox_ext(_("Search Results"), (char *)
-					str_get(&res), 0, 0, keys, &vscroll,
-					&hscroll, &update_text, (void *)
-					&data);
-		again = false;
-		for (i = 0; i < JUMP_NB && keys[i]; i++)
-			if (dres == keys[i]) {
-				conf(targets[i]->parent, targets[i]);
-				again = true;
-			}
-		str_free(&res);
-		list_for_each_entry_safe(pos, tmp, &head, entries)
-			free(pos);
-	} while (again);
-	free(sym_arr);
-	str_free(&title);
-	list_del(trail.prev);
-	str_free(&sttext);
+        res = get_relations_str(sym_arr, &head);
+        set_subtitle();
+        dres = show_textbox_ext(_("Search Results"), (char *)
+                    str_get(&res), 0, 0, keys, &vscroll,
+                    &hscroll, &update_text, (void *)
+                    &data);
+        again = false;
+        for (i = 0; i < JUMP_NB && keys[i]; i++)
+            if (dres == keys[i]) {
+                conf(targets[i]->parent, targets[i]);
+                again = true;
+            }
+        str_free(&res);
+        list_for_each_entry_safe(pos, tmp, &head, entries)
+            free(pos);
+    } while (again);
+    free(sym_arr);
+    str_free(&title);
+    list_del(trail.prev);
+    str_free(&sttext);
 }
 
 static void build_conf(struct menu *menu)
 {
-	struct symbol *sym;
-	struct property *prop;
-	struct menu *child;
-	int type, tmp, doint = 2;
-	tristate val;
-	char ch;
-	bool visible;
+    struct symbol *sym;
+    struct property *prop;
+    struct menu *child;
+    int type, tmp, doint = 2;
+    tristate val;
+    char ch;
+    bool visible;
 
-	/*
-	 * note: menu_is_visible() has side effect that it will
-	 * recalc the value of the symbol.
-	 */
-	visible = menu_is_visible(menu);
-	if (show_all_options && !menu_has_prompt(menu))
-		return;
-	else if (!show_all_options && !visible)
-		return;
+    /*
+     * note: menu_is_visible() has side effect that it will
+     * recalc the value of the symbol.
+     */
+    visible = menu_is_visible(menu);
+    if (show_all_options && !menu_has_prompt(menu))
+        return;
+    else if (!show_all_options && !visible)
+        return;
 
-	sym = menu->sym;
-	prop = menu->prompt;
-	if (!sym) {
-		if (prop && menu != current_menu) {
-			const char *prompt = menu_get_prompt(menu);
-			switch (prop->type) {
-			case P_MENU:
-				child_count++;
-				prompt = _(prompt);
-				if (single_menu_mode) {
-					item_make("%s%*c%s",
-						  menu->data ? "-->" : "++>",
-						  indent + 1, ' ', prompt);
-				} else
-					item_make("   %*c%s  %s",
-						  indent + 1, ' ', prompt,
-						  menu_is_empty(menu) ? "----" : "--->");
-				item_set_tag('m');
-				item_set_data(menu);
-				if (single_menu_mode && menu->data)
-					goto conf_childs;
-				return;
-			case P_COMMENT:
-				if (prompt) {
-					child_count++;
-					item_make("   %*c*** %s ***", indent + 1, ' ', _(prompt));
-					item_set_tag(':');
-					item_set_data(menu);
-				}
-				break;
-			default:
-				if (prompt) {
-					child_count++;
-					item_make("---%*c%s", indent + 1, ' ', _(prompt));
-					item_set_tag(':');
-					item_set_data(menu);
-				}
-			}
-		} else
-			doint = 0;
-		goto conf_childs;
-	}
+    sym = menu->sym;
+    prop = menu->prompt;
+    if (!sym) {
+        if (prop && menu != current_menu) {
+            const char *prompt = menu_get_prompt(menu);
+            switch (prop->type) {
+            case P_MENU:
+                child_count++;
+                prompt = _(prompt);
+                if (single_menu_mode) {
+                    item_make("%s%*c%s",
+                          menu->data ? "-->" : "++>",
+                          indent + 1, ' ', prompt);
+                } else
+                    item_make("   %*c%s  %s",
+                          indent + 1, ' ', prompt,
+                          menu_is_empty(menu) ? "----" : "--->");
+                item_set_tag('m');
+                item_set_data(menu);
+                if (single_menu_mode && menu->data)
+                    goto conf_childs;
+                return;
+            case P_COMMENT:
+                if (prompt) {
+                    child_count++;
+                    item_make("   %*c*** %s ***", indent + 1, ' ', _(prompt));
+                    item_set_tag(':');
+                    item_set_data(menu);
+                }
+                break;
+            default:
+                if (prompt) {
+                    child_count++;
+                    item_make("---%*c%s", indent + 1, ' ', _(prompt));
+                    item_set_tag(':');
+                    item_set_data(menu);
+                }
+            }
+        } else
+            doint = 0;
+        goto conf_childs;
+    }
 
-	type = sym_get_type(sym);
-	if (sym_is_choice(sym)) {
-		struct symbol *def_sym = sym_get_choice_value(sym);
-		struct menu *def_menu = NULL;
+    type = sym_get_type(sym);
+    if (sym_is_choice(sym)) {
+        struct symbol *def_sym = sym_get_choice_value(sym);
+        struct menu *def_menu = NULL;
 
-		child_count++;
-		for (child = menu->list; child; child = child->next) {
-			if (menu_is_visible(child) && child->sym == def_sym)
-				def_menu = child;
-		}
+        child_count++;
+        for (child = menu->list; child; child = child->next) {
+            if (menu_is_visible(child) && child->sym == def_sym)
+                def_menu = child;
+        }
 
-		val = sym_get_tristate_value(sym);
-		if (sym_is_changable(sym)) {
-			switch (type) {
-			case S_BOOLEAN:
-				item_make("[%c]", val == no ? ' ' : '*');
-				break;
-			case S_TRISTATE:
-				switch (val) {
-				case yes: ch = '*'; break;
-				case mod: ch = 'M'; break;
-				default:  ch = ' '; break;
-				}
-				item_make("<%c>", ch);
-				break;
-			}
-			item_set_tag('t');
-			item_set_data(menu);
-		} else {
-			item_make("   ");
-			item_set_tag(def_menu ? 't' : ':');
-			item_set_data(menu);
-		}
+        val = sym_get_tristate_value(sym);
+        if (sym_is_changable(sym)) {
+            switch (type) {
+            case S_BOOLEAN:
+                item_make("[%c]", val == no ? ' ' : '*');
+                break;
+            case S_TRISTATE:
+                switch (val) {
+                case yes: ch = '*'; break;
+                case mod: ch = 'M'; break;
+                default:  ch = ' '; break;
+                }
+                item_make("<%c>", ch);
+                break;
+            }
+            item_set_tag('t');
+            item_set_data(menu);
+        } else {
+            item_make("   ");
+            item_set_tag(def_menu ? 't' : ':');
+            item_set_data(menu);
+        }
 
-		item_add_str("%*c%s", indent + 1, ' ', _(menu_get_prompt(menu)));
-		if (val == yes) {
-			if (def_menu) {
-				item_add_str(" (%s)", _(menu_get_prompt(def_menu)));
-				item_add_str("  --->");
-				if (def_menu->list) {
-					indent += 2;
-					build_conf(def_menu);
-					indent -= 2;
-				}
-			}
-			return;
-		}
-	} else {
-		if (menu == current_menu) {
-			item_make("---%*c%s", indent + 1, ' ', _(menu_get_prompt(menu)));
-			item_set_tag(':');
-			item_set_data(menu);
-			goto conf_childs;
-		}
-		child_count++;
-		val = sym_get_tristate_value(sym);
-		if (sym_is_choice_value(sym) && val == yes) {
-			item_make("   ");
-			item_set_tag(':');
-			item_set_data(menu);
-		} else {
-			switch (type) {
-			case S_BOOLEAN:
-				if (sym_is_changable(sym))
-					item_make("[%c]", val == no ? ' ' : '*');
-				else
-					item_make("-%c-", val == no ? ' ' : '*');
-				item_set_tag('t');
-				item_set_data(menu);
-				break;
-			case S_TRISTATE:
-				switch (val) {
-				case yes: ch = '*'; break;
-				case mod: ch = 'M'; break;
-				default:  ch = ' '; break;
-				}
-				if (sym_is_changable(sym)) {
-					if (sym->rev_dep.tri == mod)
-						item_make("{%c}", ch);
-					else
-						item_make("<%c>", ch);
-				} else
-					item_make("-%c-", ch);
-				item_set_tag('t');
-				item_set_data(menu);
-				break;
-			default:
-				tmp = 2 + strlen(sym_get_string_value(sym)); /* () = 2 */
-				item_make("(%s)", sym_get_string_value(sym));
-				tmp = indent - tmp + 4;
-				if (tmp < 0)
-					tmp = 0;
-				item_add_str("%*c%s%s", tmp, ' ', _(menu_get_prompt(menu)),
-					     (sym_has_value(sym) || !sym_is_changable(sym)) ?
-					     "" : _(" (NEW)"));
-				item_set_tag('s');
-				item_set_data(menu);
-				goto conf_childs;
-			}
-		}
-		item_add_str("%*c%s%s", indent + 1, ' ', _(menu_get_prompt(menu)),
-			  (sym_has_value(sym) || !sym_is_changable(sym)) ?
-			  "" : _(" (NEW)"));
-		if (menu->prompt->type == P_MENU) {
-			item_add_str("  %s", menu_is_empty(menu) ? "----" : "--->");
-			return;
-		}
-	}
+        item_add_str("%*c%s", indent + 1, ' ', _(menu_get_prompt(menu)));
+        if (val == yes) {
+            if (def_menu) {
+                item_add_str(" (%s)", _(menu_get_prompt(def_menu)));
+                item_add_str("  --->");
+                if (def_menu->list) {
+                    indent += 2;
+                    build_conf(def_menu);
+                    indent -= 2;
+                }
+            }
+            return;
+        }
+    } else {
+        if (menu == current_menu) {
+            item_make("---%*c%s", indent + 1, ' ', _(menu_get_prompt(menu)));
+            item_set_tag(':');
+            item_set_data(menu);
+            goto conf_childs;
+        }
+        child_count++;
+        val = sym_get_tristate_value(sym);
+        if (sym_is_choice_value(sym) && val == yes) {
+            item_make("   ");
+            item_set_tag(':');
+            item_set_data(menu);
+        } else {
+            switch (type) {
+            case S_BOOLEAN:
+                if (sym_is_changable(sym))
+                    item_make("[%c]", val == no ? ' ' : '*');
+                else
+                    item_make("-%c-", val == no ? ' ' : '*');
+                item_set_tag('t');
+                item_set_data(menu);
+                break;
+            case S_TRISTATE:
+                switch (val) {
+                case yes: ch = '*'; break;
+                case mod: ch = 'M'; break;
+                default:  ch = ' '; break;
+                }
+                if (sym_is_changable(sym)) {
+                    if (sym->rev_dep.tri == mod)
+                        item_make("{%c}", ch);
+                    else
+                        item_make("<%c>", ch);
+                } else
+                    item_make("-%c-", ch);
+                item_set_tag('t');
+                item_set_data(menu);
+                break;
+            default:
+                tmp = 2 + strlen(sym_get_string_value(sym)); /* () = 2 */
+                item_make("(%s)", sym_get_string_value(sym));
+                tmp = indent - tmp + 4;
+                if (tmp < 0)
+                    tmp = 0;
+                item_add_str("%*c%s%s", tmp, ' ', _(menu_get_prompt(menu)),
+                         (sym_has_value(sym) || !sym_is_changable(sym)) ?
+                         "" : _(" (NEW)"));
+                item_set_tag('s');
+                item_set_data(menu);
+                goto conf_childs;
+            }
+        }
+        item_add_str("%*c%s%s", indent + 1, ' ', _(menu_get_prompt(menu)),
+              (sym_has_value(sym) || !sym_is_changable(sym)) ?
+              "" : _(" (NEW)"));
+        if (menu->prompt->type == P_MENU) {
+            item_add_str("  %s", menu_is_empty(menu) ? "----" : "--->");
+            return;
+        }
+    }
 
 conf_childs:
-	indent += doint;
-	for (child = menu->list; child; child = child->next)
-		build_conf(child);
-	indent -= doint;
+    indent += doint;
+    for (child = menu->list; child; child = child->next)
+        build_conf(child);
+    indent -= doint;
 }
 
 static void conf(struct menu *menu, struct menu *active_menu)
 {
-	struct menu *submenu;
-	const char *prompt = menu_get_prompt(menu);
-	struct subtitle_part stpart;
-	struct symbol *sym;
-	int res;
-	int s_scroll = 0;
+    struct menu *submenu;
+    const char *prompt = menu_get_prompt(menu);
+    struct subtitle_part stpart;
+    struct symbol *sym;
+    int res;
+    int s_scroll = 0;
 
-	if (menu != &rootmenu)
-		stpart.text = menu_get_prompt(menu);
-	else
-		stpart.text = NULL;
-	list_add_tail(&stpart.entries, &trail);
+    if (menu != &rootmenu)
+        stpart.text = menu_get_prompt(menu);
+    else
+        stpart.text = NULL;
+    list_add_tail(&stpart.entries, &trail);
 
-	while (1) {
-		item_reset();
-		current_menu = menu;
-		build_conf(menu);
-		if (!child_count)
-			break;
-		set_subtitle();
-		dialog_clear();
-		res = dialog_menu(prompt ? _(prompt) : _("Main Menu"),
-				  _(menu_instructions),
-				  active_menu, &s_scroll);
-		if (res == 1 || res == KEY_ESC || res == -ERRDISPLAYTOOSMALL)
-			break;
-		if (item_count() != 0) {
-			if (!item_activate_selected())
-				continue;
-			if (!item_tag())
-				continue;
-		}
-		submenu = item_data();
-		active_menu = item_data();
-		if (submenu)
-			sym = submenu->sym;
-		else
-			sym = NULL;
+    while (1) {
+        item_reset();
+        current_menu = menu;
+        build_conf(menu);
+        if (!child_count)
+            break;
+        set_subtitle();
+        dialog_clear();
+        res = dialog_menu(prompt ? _(prompt) : _("Main Menu"),
+                  _(menu_instructions),
+                  active_menu, &s_scroll);
+        if (res == 1 || res == KEY_ESC || res == -ERRDISPLAYTOOSMALL)
+            break;
+        if (item_count() != 0) {
+            if (!item_activate_selected())
+                continue;
+            if (!item_tag())
+                continue;
+        }
+        submenu = item_data();
+        active_menu = item_data();
+        if (submenu)
+            sym = submenu->sym;
+        else
+            sym = NULL;
 
-		switch (res) {
-		case 0:
-			switch (item_tag()) {
-			case 'm':
-				if (single_menu_mode)
-					submenu->data = (void *) (long) !submenu->data;
-				else
-					conf(submenu, NULL);
-				break;
-			case 't':
-				if (sym_is_choice(sym) && sym_get_tristate_value(sym) == yes)
-					conf_choice(submenu);
-				else if (submenu->prompt->type == P_MENU)
-					conf(submenu, NULL);
-				break;
-			case 's':
-				conf_string(submenu);
-				break;
-			}
-			break;
-		case 2:
-			if (sym)
-				show_help(submenu);
-			else {
-				reset_subtitle();
-				show_helptext(_("README"), _(mconf_readme));
-			}
-			break;
-		case 3:
-			reset_subtitle();
-			conf_save();
-			break;
-		case 4:
-			reset_subtitle();
-			conf_load();
-			break;
-		case 5:
-			if (item_is_tag('t')) {
-				if (sym_set_tristate_value(sym, yes))
-					break;
-				if (sym_set_tristate_value(sym, mod))
-					show_textbox(NULL, setmod_text, 6, 74);
-			}
-			break;
-		case 6:
-			if (item_is_tag('t'))
-				sym_set_tristate_value(sym, no);
-			break;
-		case 7:
-			if (item_is_tag('t'))
-				sym_set_tristate_value(sym, mod);
-			break;
-		case 8:
-			if (item_is_tag('t'))
-				sym_toggle_tristate_value(sym);
-			else if (item_is_tag('m'))
-				conf(submenu, NULL);
-			break;
-		case 9:
-			search_conf();
-			break;
-		case 10:
-			show_all_options = !show_all_options;
-			break;
-		}
-	}
+        switch (res) {
+        case 0:
+            switch (item_tag()) {
+            case 'm':
+                if (single_menu_mode)
+                    submenu->data = (void *) (long) !submenu->data;
+                else
+                    conf(submenu, NULL);
+                break;
+            case 't':
+                if (sym_is_choice(sym) && sym_get_tristate_value(sym) == yes)
+                    conf_choice(submenu);
+                else if (submenu->prompt->type == P_MENU)
+                    conf(submenu, NULL);
+                break;
+            case 's':
+                conf_string(submenu);
+                break;
+            }
+            break;
+        case 2:
+            if (sym)
+                show_help(submenu);
+            else {
+                reset_subtitle();
+                show_helptext(_("README"), _(mconf_readme));
+            }
+            break;
+        case 3:
+            reset_subtitle();
+            conf_save();
+            break;
+        case 4:
+            reset_subtitle();
+            conf_load();
+            break;
+        case 5:
+            if (item_is_tag('t')) {
+                if (sym_set_tristate_value(sym, yes))
+                    break;
+                if (sym_set_tristate_value(sym, mod))
+                    show_textbox(NULL, setmod_text, 6, 74);
+            }
+            break;
+        case 6:
+            if (item_is_tag('t'))
+                sym_set_tristate_value(sym, no);
+            break;
+        case 7:
+            if (item_is_tag('t'))
+                sym_set_tristate_value(sym, mod);
+            break;
+        case 8:
+            if (item_is_tag('t'))
+                sym_toggle_tristate_value(sym);
+            else if (item_is_tag('m'))
+                conf(submenu, NULL);
+            break;
+        case 9:
+            search_conf();
+            break;
+        case 10:
+            show_all_options = !show_all_options;
+            break;
+        }
+    }
 
-	list_del(trail.prev);
+    list_del(trail.prev);
 }
 
 static int show_textbox_ext(const char *title, char *text, int r, int c, int
-			    *keys, int *vscroll, int *hscroll, update_text_fn
-			    update_text, void *data)
+                *keys, int *vscroll, int *hscroll, update_text_fn
+                update_text, void *data)
 {
-	dialog_clear();
-	return dialog_textbox(title, text, r, c, keys, vscroll, hscroll,
-			      update_text, data);
+    dialog_clear();
+    return dialog_textbox(title, text, r, c, keys, vscroll, hscroll,
+                  update_text, data);
 }
 
 static void show_textbox(const char *title, const char *text, int r, int c)
 {
-	show_textbox_ext(title, (char *) text, r, c, (int []) {0}, NULL, NULL,
-			 NULL, NULL);
+    show_textbox_ext(title, (char *) text, r, c, (int []) {0}, NULL, NULL,
+             NULL, NULL);
 }
 
 static void show_helptext(const char *title, const char *text)
 {
-	show_textbox(title, text, 0, 0);
+    show_textbox(title, text, 0, 0);
 }
 
 static void conf_message_callback(const char *fmt, va_list ap)
 {
-	char buf[PATH_MAX+1];
+    char buf[PATH_MAX+1];
 
-	vsnprintf(buf, sizeof(buf), fmt, ap);
-	if (save_and_exit) {
-		if (!silent)
-			printf("%s", buf);
-	} else {
-		show_textbox(NULL, buf, 6, 60);
-	}
+    vsnprintf(buf, sizeof(buf), fmt, ap);
+    if (save_and_exit) {
+        if (!silent)
+            printf("%s", buf);
+    } else {
+        show_textbox(NULL, buf, 6, 60);
+    }
 }
 
 static void show_help(struct menu *menu)
 {
-	struct gstr help = str_new();
+    struct gstr help = str_new();
 
-	help.max_width = getmaxx(stdscr) - 10;
-	menu_get_ext_help(menu, &help);
+    help.max_width = getmaxx(stdscr) - 10;
+    menu_get_ext_help(menu, &help);
 
-	show_helptext(_(menu_get_prompt(menu)), str_get(&help));
-	str_free(&help);
+    show_helptext(_(menu_get_prompt(menu)), str_get(&help));
+    str_free(&help);
 }
 
 static void conf_choice(struct menu *menu)
 {
-	const char *prompt = _(menu_get_prompt(menu));
-	struct menu *child;
-	struct symbol *active;
+    const char *prompt = _(menu_get_prompt(menu));
+    struct menu *child;
+    struct symbol *active;
 
-	active = sym_get_choice_value(menu->sym);
-	while (1) {
-		int res;
-		int selected;
-		item_reset();
+    active = sym_get_choice_value(menu->sym);
+    while (1) {
+        int res;
+        int selected;
+        item_reset();
 
-		current_menu = menu;
-		for (child = menu->list; child; child = child->next) {
-			if (!menu_is_visible(child))
-				continue;
-			if (child->sym)
-				item_make("%s", _(menu_get_prompt(child)));
-			else {
-				item_make("*** %s ***", _(menu_get_prompt(child)));
-				item_set_tag(':');
-			}
-			item_set_data(child);
-			if (child->sym == active)
-				item_set_selected(1);
-			if (child->sym == sym_get_choice_value(menu->sym))
-				item_set_tag('X');
-		}
-		dialog_clear();
-		res = dialog_checklist(prompt ? _(prompt) : _("Main Menu"),
-					_(radiolist_instructions),
-					MENUBOX_HEIGTH_MIN,
-					MENUBOX_WIDTH_MIN,
-					CHECKLIST_HEIGTH_MIN);
-		selected = item_activate_selected();
-		switch (res) {
-		case 0:
-			if (selected) {
-				child = item_data();
-				if (!child->sym)
-					break;
+        current_menu = menu;
+        for (child = menu->list; child; child = child->next) {
+            if (!menu_is_visible(child))
+                continue;
+            if (child->sym)
+                item_make("%s", _(menu_get_prompt(child)));
+            else {
+                item_make("*** %s ***", _(menu_get_prompt(child)));
+                item_set_tag(':');
+            }
+            item_set_data(child);
+            if (child->sym == active)
+                item_set_selected(1);
+            if (child->sym == sym_get_choice_value(menu->sym))
+                item_set_tag('X');
+        }
+        dialog_clear();
+        res = dialog_checklist(prompt ? _(prompt) : _("Main Menu"),
+                    _(radiolist_instructions),
+                    MENUBOX_HEIGTH_MIN,
+                    MENUBOX_WIDTH_MIN,
+                    CHECKLIST_HEIGTH_MIN);
+        selected = item_activate_selected();
+        switch (res) {
+        case 0:
+            if (selected) {
+                child = item_data();
+                if (!child->sym)
+                    break;
 
-				sym_set_tristate_value(child->sym, yes);
-			}
-			return;
-		case 1:
-			if (selected) {
-				child = item_data();
-				show_help(child);
-				active = child->sym;
-			} else
-				show_help(menu);
-			break;
-		case KEY_ESC:
-			return;
-		case -ERRDISPLAYTOOSMALL:
-			return;
-		}
-	}
+                sym_set_tristate_value(child->sym, yes);
+            }
+            return;
+        case 1:
+            if (selected) {
+                child = item_data();
+                show_help(child);
+                active = child->sym;
+            } else
+                show_help(menu);
+            break;
+        case KEY_ESC:
+            return;
+        case -ERRDISPLAYTOOSMALL:
+            return;
+        }
+    }
 }
 
 static void conf_string(struct menu *menu)
 {
-	const char *prompt = menu_get_prompt(menu);
+    const char *prompt = menu_get_prompt(menu);
 
-	while (1) {
-		int res;
-		const char *heading;
+    while (1) {
+        int res;
+        const char *heading;
 
-		switch (sym_get_type(menu->sym)) {
-		case S_INT:
-			heading = _(inputbox_instructions_int);
-			break;
-		case S_HEX:
-			heading = _(inputbox_instructions_hex);
-			break;
-		case S_STRING:
-			heading = _(inputbox_instructions_string);
-			break;
-		default:
-			heading = _("Internal mconf error!");
-		}
-		dialog_clear();
-		res = dialog_inputbox(prompt ? _(prompt) : _("Main Menu"),
-				      heading, 10, 75,
-				      sym_get_string_value(menu->sym));
-		switch (res) {
-		case 0:
-			if (sym_set_string_value(menu->sym, dialog_input_result))
-				return;
-			show_textbox(NULL, _("You have made an invalid entry."), 5, 43);
-			break;
-		case 1:
-			show_help(menu);
-			break;
-		case KEY_ESC:
-			return;
-		}
-	}
+        switch (sym_get_type(menu->sym)) {
+        case S_INT:
+            heading = _(inputbox_instructions_int);
+            break;
+        case S_HEX:
+            heading = _(inputbox_instructions_hex);
+            break;
+        case S_STRING:
+            heading = _(inputbox_instructions_string);
+            break;
+        default:
+            heading = _("Internal mconf error!");
+        }
+        dialog_clear();
+        res = dialog_inputbox(prompt ? _(prompt) : _("Main Menu"),
+                      heading, 10, 75,
+                      sym_get_string_value(menu->sym));
+        switch (res) {
+        case 0:
+            if (sym_set_string_value(menu->sym, dialog_input_result))
+                return;
+            show_textbox(NULL, _("You have made an invalid entry."), 5, 43);
+            break;
+        case 1:
+            show_help(menu);
+            break;
+        case KEY_ESC:
+            return;
+        }
+    }
 }
 
 static void conf_load(void)
 {
 
-	while (1) {
-		int res;
-		dialog_clear();
-		res = dialog_inputbox(NULL, load_config_text,
-				      11, 55, filename);
-		switch(res) {
-		case 0:
-			if (!dialog_input_result[0])
-				return;
-			if (!conf_read(dialog_input_result)) {
-				set_config_filename(dialog_input_result);
-				sym_set_change_count(1);
-				return;
-			}
-			show_textbox(NULL, _("File does not exist!"), 5, 38);
-			break;
-		case 1:
-			show_helptext(_("Load Alternate Configuration"), load_config_help);
-			break;
-		case KEY_ESC:
-			return;
-		}
-	}
+    while (1) {
+        int res;
+        dialog_clear();
+        res = dialog_inputbox(NULL, load_config_text,
+                      11, 55, filename);
+        switch(res) {
+        case 0:
+            if (!dialog_input_result[0])
+                return;
+            if (!conf_read(dialog_input_result)) {
+                set_config_filename(dialog_input_result);
+                sym_set_change_count(1);
+                return;
+            }
+            show_textbox(NULL, _("File does not exist!"), 5, 38);
+            break;
+        case 1:
+            show_helptext(_("Load Alternate Configuration"), load_config_help);
+            break;
+        case KEY_ESC:
+            return;
+        }
+    }
 }
 
 static void conf_save(void)
 {
-	while (1) {
-		int res;
-		dialog_clear();
-		res = dialog_inputbox(NULL, save_config_text,
-				      11, 55, filename);
-		switch(res) {
-		case 0:
-			if (!dialog_input_result[0])
-				return;
-			if (!conf_write(dialog_input_result)) {
-				set_config_filename(dialog_input_result);
-				return;
-			}
-			show_textbox(NULL, _("Can't create file!  Probably a nonexistent directory."), 5, 60);
-			break;
-		case 1:
-			show_helptext(_("Save Alternate Configuration"), save_config_help);
-			break;
-		case KEY_ESC:
-			return;
-		}
-	}
+    while (1) {
+        int res;
+        dialog_clear();
+        res = dialog_inputbox(NULL, save_config_text,
+                      11, 55, filename);
+        switch(res) {
+        case 0:
+            if (!dialog_input_result[0])
+                return;
+            if (!conf_write(dialog_input_result)) {
+                set_config_filename(dialog_input_result);
+                return;
+            }
+            show_textbox(NULL, _("Can't create file!  Probably a nonexistent directory."), 5, 60);
+            break;
+        case 1:
+            show_helptext(_("Save Alternate Configuration"), save_config_help);
+            break;
+        case KEY_ESC:
+            return;
+        }
+    }
 }
 
 static int handle_exit(void)
 {
-	int res;
+    int res = 0;
 
-	save_and_exit = 1;
-	reset_subtitle();
-	dialog_clear();
-	if (conf_get_changed())
-		res = dialog_yesno(NULL,
-				   _("Do you wish to save your new configuration?\n"
-				     "(Press <ESC><ESC> to continue kernel configuration.)"),
-				   6, 60);
-	else
-		res = -1;
+    save_and_exit = 1;
+    reset_subtitle();
+    dialog_clear();
+    if (conf_get_changed())
+    {
+        if (silent)
+        {
+            /* save change */
+            res = 0;
+        }
+        else
+        {
+            res = dialog_yesno(NULL,
+                       _("Do you wish to save your new configuration?\n"
+                         "(Press <ESC><ESC> to continue kernel configuration.)"),
+                       6, 60);
+        }
+        
+    }
+    else
+        res = -1;
+    
+    if (!silent) end_dialog(saved_x, saved_y);
 
-	end_dialog(saved_x, saved_y);
+    switch (res) {
+    case 0:
+        if (conf_write(filename)) {
+            fprintf(stderr, _("\n\n"
+                      "Error while writing of the configuration.\n"
+                      "Your configuration changes were NOT saved."
+                      "\n\n"));
+            return 1;
+        }
+        /* fall through */
+    case -1:
+        if (!silent)
+            printf(_("\n\n"
+                 "*** End of the configuration.\n"
+                 "*** Execute 'make' to start the build or try 'make help'."
+                 "\n\n"));
+        res = 0;
+        break;
+    default:
+        if (!silent)
+            fprintf(stderr, _("\n\n"
+                      "Your configuration changes were NOT saved."
+                      "\n\n"));
+        if (res != KEY_ESC)
+            res = 0;
+    }
 
-	switch (res) {
-	case 0:
-		if (conf_write(filename)) {
-			fprintf(stderr, _("\n\n"
-					  "Error while writing of the configuration.\n"
-					  "Your configuration changes were NOT saved."
-					  "\n\n"));
-			return 1;
-		}
-		/* fall through */
-	case -1:
-		if (!silent)
-			printf(_("\n\n"
-				 "*** End of the configuration.\n"
-				 "*** Execute 'make' to start the build or try 'make help'."
-				 "\n\n"));
-		res = 0;
-		break;
-	default:
-		if (!silent)
-			fprintf(stderr, _("\n\n"
-					  "Your configuration changes were NOT saved."
-					  "\n\n"));
-		if (res != KEY_ESC)
-			res = 0;
-	}
-
-	return res;
+    return res;
 }
 
 static void sig_handler(int signo)
 {
-	exit(handle_exit());
+    exit(handle_exit());
 }
 
 int main(int ac, char **av)
 {
-	char *mode;
-	int res;
+    char *mode;
+    int res;
+
+    setlocale(LC_ALL, "");
+    bindtextdomain(PACKAGE, LOCALEDIR);
+    textdomain(PACKAGE);
 
-	setlocale(LC_ALL, "");
-	bindtextdomain(PACKAGE, LOCALEDIR);
-	textdomain(PACKAGE);
+    signal(SIGINT, sig_handler);
 
-	signal(SIGINT, sig_handler);
+    if (ac > 1 && strcmp(av[1], "-s") == 0) {
+        silent = 1;
+        /* Silence conf_read() until the real callback is set up */
+        conf_set_message_callback(NULL);
+        av++;
+    }
+    conf_parse(av[1]);
+    conf_read(NULL);
 
-	if (ac > 1 && strcmp(av[1], "-s") == 0) {
-		silent = 1;
-		/* Silence conf_read() until the real callback is set up */
-		conf_set_message_callback(NULL);
-		av++;
-	}
-	conf_parse(av[1]);
-	conf_read(NULL);
+    mode = getenv("MENUCONFIG_MODE");
+    if (mode) {
+        if (!strcasecmp(mode, "single_menu"))
+            single_menu_mode = 1;
+    }
 
-	mode = getenv("MENUCONFIG_MODE");
-	if (mode) {
-		if (!strcasecmp(mode, "single_menu"))
-			single_menu_mode = 1;
-	}
+    if (init_dialog(NULL)) {
+        fprintf(stderr, N_("Your display is too small to run Menuconfig!\n"));
+        fprintf(stderr, N_("It must be at least 19 lines by 80 columns.\n"));
+        return 1;
+    }
 
-	if (init_dialog(NULL)) {
-		fprintf(stderr, N_("Your display is too small to run Menuconfig!\n"));
-		fprintf(stderr, N_("It must be at least 19 lines by 80 columns.\n"));
-		return 1;
-	}
+    set_config_filename(conf_get_configname());
+    conf_set_message_callback(conf_message_callback);
+    
+    if (ac > 2 && strcmp(av[2], "-n") == 0)
+    {
+        fprintf(stderr, N_("Debug mode,don't display menuconfig window.\n"));
+        silent = 1;
+        /* Silence conf_read() until the real callback is set up */
+        conf_set_message_callback(NULL);
+        av++; 
+        res = handle_exit();
+        return 1;
+     } 
 
-	set_config_filename(conf_get_configname());
-	conf_set_message_callback(conf_message_callback);
-	do {
-		conf(&rootmenu, NULL);
-		res = handle_exit();
-	} while (res == KEY_ESC);
+    do {
+        conf(&rootmenu, NULL);
+        res = handle_exit();
+    } while (res == KEY_ESC);
 
-	return res;
+    return res;
 }